WO2023025137A1 - 信息指示方法、装置、终端及可读存储介质 - Google Patents

信息指示方法、装置、终端及可读存储介质 Download PDF

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WO2023025137A1
WO2023025137A1 PCT/CN2022/114193 CN2022114193W WO2023025137A1 WO 2023025137 A1 WO2023025137 A1 WO 2023025137A1 CN 2022114193 W CN2022114193 W CN 2022114193W WO 2023025137 A1 WO2023025137 A1 WO 2023025137A1
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Prior art keywords
information
control information
terminal
indication field
indication
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PCT/CN2022/114193
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English (en)
French (fr)
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杨聿铭
纪子超
彭淑燕
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维沃移动通信有限公司
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Publication of WO2023025137A1 publication Critical patent/WO2023025137A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453Resources in frequency domain, e.g. a carrier in FDMA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/56Allocation or scheduling criteria for wireless resources based on priority criteria

Definitions

  • the present application belongs to the technical field of communication, and in particular relates to an information indicating method, device, terminal and readable storage medium.
  • control information exists in the form of sidelink control information (Sidelink Control Information, SCI) format 1 (format 1), SCI format 1 and The Physical Sidelink Shared Channel (PSSCH) is Frequency Division Multiplexing (FDM).
  • SCI sidelink Control Information
  • PSSCH Physical Sidelink Shared Channel
  • FDM Frequency Division Multiplexing
  • the control information exists in the form of 1st SCI and 2nd SCI, and it is mainly Time Division Multiplexing (TDM) with PSSCH.
  • TDM Time Division Multiplexing
  • Embodiments of the present application provide an information indication method, device, terminal and readable storage medium, which can solve the problem of low utilization rate of existing system resources.
  • an information indication method including:
  • the terminal sends or receives the first control information
  • the first control information is carried on a first control channel.
  • an information indicating device including:
  • a transceiver module configured to send or receive first control information
  • the first control information is carried on a first control channel.
  • a terminal in a third aspect, includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor. When the program or instruction is executed by the processor The steps of the method described in the first aspect are realized.
  • a terminal including a processor and a communication interface, where the communication interface is used to send or receive first control information; where the first control information is carried on a first control channel.
  • a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method according to the first aspect are implemented.
  • a sixth aspect provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the method as described in the first aspect .
  • a computer program product is provided, the computer program product is stored in a non-transitory storage medium, and the computer program product is executed by at least one processor to implement the method as described in the first aspect step.
  • the terminal may send or receive the first control information. Therefore, in the case of coexistence of the same frequency, the terminal such as the NR terminal sends the first control information, and the first control information adopts the SCI format 1 in the LTE sidelink, which can ensure that the LTE terminal can read the periodic resource reservation information of the NR terminal It is used for resource selection, so that the system performance of LTE terminals will not be greatly affected by the inability to exclude the reserved resources of NR terminals after the introduction of NR terminals. Therefore, LTE terminals and NR terminals can share the same resource pool for resource transmission, thereby improving Utilization of system resources.
  • FIG. 1 is a block diagram of a wireless communication system to which an embodiment of the present application is applicable;
  • FIG. 2 is a flow chart of an information indication method provided by an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a time slot in an embodiment of the present application.
  • Fig. 4 is a schematic structural diagram of an information indication device provided by an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a terminal provided in an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of another terminal provided by an embodiment of the present application.
  • first, second and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein and that "first" and “second” distinguish objects. It is usually one category, and the number of objects is not limited. For example, there may be one or more first objects.
  • “and/or” in the description and claims means at least one of the connected objects, and the character “/” generally means that the related objects are an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used for the above-mentioned system and radio technology, and can also be used for other systems and radio technologies.
  • NR New Radio
  • the following description describes the New Radio (NR) system for illustrative purposes, and uses NR terminology in most of the following descriptions, but these techniques can also be applied to applications other than NR system applications, such as the 6th generation (6 th Generation, 6G) communication system.
  • 6G 6th Generation
  • Fig. 1 shows a block diagram of a wireless communication system to which the embodiment of the present application is applicable.
  • the wireless communication system includes a terminal 11 and a network side device 12 .
  • the terminal 11 can also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile internet device (Mobile Internet Device, MID), augmented reality (augmented reality, AR)/virtual reality (virtual reality, VR) equipment, robot, wearable device (Wearable Device), vehicle equipment (Vehicle User Equipment, VUE), pedestrian terminal (Pedestrian User Equipment, PUE), smart home (home equipment with wireless communication function, Such as refrigerators, TVs, washing machines or furniture, etc.), wearable devices include: smart watches,
  • the network side device 12 may be a base station or a core network, where a base station may be called a node B, an evolved node B, an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service Basic Service Set (BSS), Extended Service Set (ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, Wireless Local Area Network (WLAN) ) access point, wireless fidelity (Wireless Fidelity, WiFi) node, transmitting and receiving point (Transmitting Receiving Point, TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to Specific technical vocabulary.
  • the applicable scenario of this embodiment of the present application is sidelink transmission between terminals 11, including but not limited to NR system, 6G communication system and so on.
  • a sidelink may also be called: a secondary link, a side link, a side link, and the like.
  • Sidelink transmission is data transmission directly on the physical layer between terminals such as User Equipment (UE).
  • UE User Equipment
  • the time unit in this embodiment of the present application may include, but not limited to, a frame (frame), a subframe (subframe), a time slot (slot), a symbol (symbol), and the like.
  • the time unit is mainly described based on the slot in NR, but is not limited to the slot.
  • FIG. 2 is a flow chart of an information indication method provided by an embodiment of the present application.
  • the method is executed by a terminal, such as an NR terminal. As shown in Figure 2, the method includes the following steps:
  • Step 21 The terminal sends or receives first control information.
  • the first control information is carried on the first control channel.
  • the first control information is essentially the sidelink control information SCI, but it is different from the existing SCI.
  • SA Physical Sidelink Control Channel
  • PSCCH_SA Physical Sidelink Control Channel
  • the first control information may adopt a first information format, and the first information format is a control information format under another communication system different from the communication system corresponding to the terminal, so that terminals under other communication systems can successfully decode the first information format.
  • control information For example, taking the terminal as an NR terminal as an example, the first control information sent by the NR terminal can adopt the SCI format 1 in the LTE sidelink, so that the LTE terminal can successfully decode the first control information sent by the NR terminal and obtain the first control information
  • the indicated resource reservation related information is used for resource selection, so as not to affect the performance of LTE terminals in the system, so that LTE terminals and NR terminals can share the same resource pool for resource transmission, improving the utilization of system resources.
  • the terminal may send or receive the first control information. Therefore, in the case of coexistence of the same frequency, the terminal such as the NR terminal sends the first control information, and the first control information adopts the SCI format 1 in the LTE sidelink, which can ensure that the LTE terminal can read the periodic resource reservation information of the NR terminal It is used for resource selection, so that the system performance of LTE terminals will not be greatly affected by the introduction of NR terminals because the reserved resources of NR terminals cannot be excluded. Therefore, LTE terminals and NR terminals can share the same resource pool for resource transmission, thereby improving system performance. resource utilization.
  • the first control information may include at least one of the following:
  • the first indication information indicates the field.
  • the first indication information indication field is mainly used to distinguish the terminal, and/or indicate specific information of the terminal (such as NR UE). For example, for NR UE, because the reserved bits in SCI format1 sent by LTE UE are all set to 0, the first indication information indication field enables it to distinguish NR UE and LTE UE through the information indicated by the first indication information, Or directly distinguish between NR UE and LTE UE through the difference in control information format due to the existence of the first indication information indication field, so that the first control information can be further enhanced, which is conducive to ensuring the performance of NR UE working in the coexistence frequency band.
  • Priority indication field for example, it is used to indicate the priority of the currently sent data.
  • Resource reservation indication field for example, it is used to indicate the periodic value of periodic reservation.
  • a frequency domain resource indication field for example, it is used to indicate the frequency domain positions of initial transmission and retransmission resources.
  • Initial transmission retransmission interval indication field for example, a time domain offset used to indicate the time domain positions of initial transmission and retransmission resources, etc.
  • Modulation and Coding Scheme (MCS) indication field for example, used to indicate the MCS level.
  • Retransmission indication field for example, it is used to indicate whether retransmission is allowed.
  • Transmission format indication field for example, it is used to indicate whether the transmission format adopts rate matching, transport block size (Transport Block size, TBS) scaling (scaling), or uses punching (puncturing) and no TBS-scaling, etc.
  • Hybrid Automatic Repeat reQuest (HARQ) associated information indication field for example, used to indicate that reserved resources in multiple HARQ processes belong to the same transport block (Transport Block, TB), or SL process, Media Access Control (Media Access Control, MAC) Protocol Data Unit (Protocol Data Unit, PDU), etc.
  • HARQ Hybrid Automatic Repeat reQuest
  • a format indication field of the second control information for example, it is used to indicate different formats of the second/third control information.
  • the second/third control information may be understood as enhanced information of the first control information.
  • the NR terminal can also send the second/third control information after sending the first control information.
  • the first control information is mainly used for the LTE terminal to read the resource reservation information of the NR terminal for resource selection.
  • other NR terminals can also decode the first control information of the NR terminal to obtain the resource reservation information.
  • the second/third control information is mainly used for other NR terminals to read the resource reservation information of the NR terminal to perform resource selection, receive data, HARQ feedback and so on.
  • Physical Sidelink Feedback Channel Physical Sidelink Feedback Channel, PSFCH
  • overhead indication field for example, used to indicate PSFCH overhead related information.
  • Beta_offset indication field for example, it is used to indicate relevant information for determining the second/third control information carried on the first shared channel (such as PSSCH_SA), such as the mapping mode, the number of modulation symbols, and the like.
  • the indication field of the first indication information may be used to indicate at least one of the following:
  • the type of the sending terminal may be indicated, and the type of the receiving terminal may also be indicated.
  • the sending terminal may be an LTE UE or an NR UE. If 1-bit information is used to indicate the type of the sending terminal, '0' can indicate LTE UE, '1' can indicate NR UE; or, '0' can indicate NR UE, and '1' can indicate LTE UE.
  • next-level control information Whether there is next-level control information, and/or, the format of the next-level control information.
  • d) Resource allocation mode mode For example, when the NR resource allocation mode in the co-existing frequency band is defined as mode 5, it indicates whether the current allocation mode is mode 5 or NR R16 resource allocation mode.
  • the resource reservation mode is one of the following: periodic reservation, aperiodic reservation, periodic reservation and aperiodic reservation.
  • the content indicated by the SA is the content indicated in the above ii) ⁇ viii).
  • the content of this indication is the same as that of the control information sent by LTE UE, and it is compatible with LTE UE in the future.
  • the content indicated by the SA is the content indicated in the above i) ⁇ viii).
  • This indication content adds the content indicated by the first indication information on the basis of the indication content of the control information sent by the LTE UE, which is used to enable the NR UE to distinguish between the LTE UE and the NR UE while being backward compatible with the LTE UE, and Get other relevant information.
  • the content indicated by the SA is the content of the indication field in the above i) ⁇ viii), and the HARQ association information indication field.
  • the NR UE can realize sensing by using the decoding control information SA.
  • the content indicated by the SA is the content of the indication field in the above i) ⁇ viii), and the second control information format, PSFCH overhead and/or Beta_offset information.
  • SA can replace the role of SCI format 1-A in the original NR UE, so SCI format 1-A can no longer be sent, or part of SCI format 1-A can be combined with SCI format 2.
  • the new second control information is sent on the second control channel (such as PSCCH_SA-1), the PSFCH overhead and Beta_offset information may not be sent.
  • the setting of the indication field in the first control information may satisfy at least one of the following:
  • the PSFCH overhead indication field is set;
  • the first information in the above 1) to 8) may include at least one of the following: high layer indication, downlink control information (Downlink Control Information, DCI), SCI, etc.
  • DCI Downlink Control Information
  • SCI SCI
  • the first control channel may satisfy at least one of the following:
  • the encoding method is turbo encoding.
  • the scrambling sequence generator performs initialization at the beginning of each slot.
  • the modulation method is quadrature phase shift keying (Quadrature Phase Shift Keying, QPSK).
  • the layer mapping rule of the first control channel may define a same layer mapping rule, or directly reuse/multiplex the layer mapping rule, which is not limited.
  • the layer mapping of PSCCH_SA can reuse the mapping rule of single antenna port on LTE uplink Physical Uplink Shared Channel (PUSCH), that is, the layer mapping of PSCCH_SA is based on the mapping rule of single antenna port on LTE PUSCH to map.
  • PUSCH Physical Uplink Shared Channel
  • the modulation symbols of each codeword are mapped onto layer 1 or 2.
  • Transform precoding Multiplex the transform precoding rules of a specific channel.
  • the same transformation precoding rule may be defined, or the transformation precoding rule may be directly reused/multiplexed, which is not limited.
  • the Transform precoding rule of the PSCCH_SA can reuse the Transform precoding rule of the LTE PUSCH, that is, the Transform precoding of the PSCCH_SA is performed according to the Transform precoding rule of the LTE PUSCH.
  • the rule of Transform precoding is to generate a symbol block according to the following formula 1 where the variable Indicates the bandwidth of PUSCH, the corresponding unit is RB, is the RB block size, expressed in the number of subcarriers, and satisfies ⁇ 2 , ⁇ 3 , ⁇ 5 are non-negative integers:
  • the Transform precoding rule of PSCCH_SA multiplexing the Transform precoding rule of LTE PUSCH can use the number of RBs configured for PSCCH_SA on the frequency band and the number of subcarriers Replace the number of RBs configured for PUSCH on the frequency band in the above formula and the number of subcarriers
  • Precoding multiplexes the precoding rule of a specific channel, and the number of layers is 1.
  • a same precoding rule may be defined, or a precoding rule may be directly reused/multiplexed, which is not limited.
  • the Precoding of PSCCH_SA can reuse the Precoding rule of LTE PUSCH, that is, the Precoding of PSCCH_SA is performed according to the Precoding rule of LTE PUSCH, and the number of layers is 1.
  • the precoded symbols can be multiplied by the power adjustment factor to meet the transmission power requirements, and then mapped to the time-frequency domain resources in the order of ascending order in the frequency domain and ascending order in the time domain according to the order of the symbols .
  • the terminal sending the first control information may also be described as the terminal sending the first control channel, which may satisfy at least one of the following:
  • the first control information indicates at least one item: priority of sending data, MCS level, resource reservation information, and the like.
  • the NR terminal can indicate the priority of sending data, MCS level, resource reservation and other related information by sending the control information SA. Since it uses the same format and channel as the LTE SA, the LTE terminal can read the information indicated by the SA. Relevant information, so as to solve the problem that LTE terminals and NR terminals cannot coexist on the same frequency due to incompatibility of control information.
  • the first control information is sent in the time unit of the PSSCH corresponding to the first control channel, occupying two physical resource blocks (Physical Resource Block, PRB).
  • the time unit may be each time slot, each subframe, and the like.
  • the terminal If the terminal receives DCI scheduling at time unit n, it sends the first control information in the first PSSCH time unit not earlier than n+Q time; where Q is related to data packet processing time or DCI processing time . Understandably, the n is only a reference to a specific moment, which is used to make the corresponding description clearer, and has no specific meaning.
  • the terminal If the terminal initially transmits the first control information in the PSSCH time unit t T , and the indication information (such as Time gap between initial transmission and retransmission) in the configured sidelink grant (such as configured Sidelink grant) indicates the initial transmission of the first control information and the retransmission time interval is not 0, then retransmit the first control information in the PSSCH time unit t T+gap ; wherein, the time interval between t T+gap and t T is indicated by the indication information in the configuration sidelink grant, and /or, the position of the initial subchannel in the frequency domain of the first control information is indicated by indication information (such as Frequency resource location of the initial transmission and retransmission) in the configuration grant CG. Understandably, the t T and t T+gap are only references to a specific moment, and are used to make the corresponding description clearer, and have no specific meaning.
  • the t T and t T+gap are only references to a specific moment, and are used to make the corresponding
  • any of the following items may be satisfied:
  • the resource pool configures the terminal to send the first control channel and the corresponding PSSCH on adjacent RBs in the time unit, then the resource of the first control channel is two consecutive PRBs, and the index index of the two consecutive PRBs is the same as
  • the index of the starting subchannel is related to the size of the subchannel.
  • the resource pool configuration terminal sends the first control channel and the corresponding PSSCH on non-adjacent RBs in the time unit, the resources of the first control channel are two consecutive PRBs, and the index of the two consecutive PRBs It is related to the index of the starting RB of the first control channel pool.
  • the terminal when the terminal receives the first control information, at least one of the following may be satisfied:
  • the terminal When the terminal detects the first control information on the first control channel, it decodes the corresponding first control information according to the resource configuration of the first control channel;
  • the terminal does not detect more than one first control information on the first control channel at each first control channel candidate resource position; that is, the terminal is not required to detect more than one PSCCH_SA at each PSCCH_SA candidate resource position;
  • the terminal Before the terminal decodes the first control information on the first control channel, it does not assume that the reserved bits in the first control information have any value; that is, the terminal should not assume that the reserved bits have any value before decoding SA.
  • the NR terminal can also obtain relevant information such as resource reservation of the LTE terminal by decoding the SA, so as to avoid resource reservation by the LTE terminal during resource selection, and thus be compatible LTE terminals to achieve coexistence on the same frequency.
  • the subcarrier spacing when the terminal sends and receives information adopts a specific frequency, such as 15KHz, which is the same as the subcarrier spacing of the LTE system.
  • the LTE terminal can decode the control information SA sent by the successful NR terminal.
  • the subchannel of the resource pool where the terminal is located can satisfy at least one of the following:
  • the size of the subchannels in the resource pool of the protocol pre-defined, network pre-configured and/or network-configured terminal is ⁇ n5, n6, n10, n15, n20, n25, n50, n75, n100 ⁇ ;
  • the size of the sub-channels in the resource pool of the protocol pre-defined, network pre-configured and/or network-configured terminal is ⁇ n4, n5, n6, n8, n9, n10, n12, n15, n16, n18, n20, n30, n48 ,n72,n96 ⁇ .
  • the subchannel size may be selected as the number of PRBs. For example, taking n5 as an example, it means that the number of PRBs is 5; taking n18 as an example, it means that the number of PRBs is 18; and so on.
  • the above i is used.
  • the subchannel size and number configuration of the NR sidelink can be configured using the LTE sidelink configuration, so that the corresponding control information instructions are consistent.
  • the terminal may determine the first parameter, where the first parameter is a parameter determined based on at least one of the following: protocol pre-definition, network pre-configuration, terminal pre-configuration, network configuration, and terminal configuration.
  • the first parameter is used to indicate whether the control information of the terminal is separated from the data information in the frequency domain, so that the terminal can accurately select resources for the control information.
  • the first parameter is, for example, adjacencyPSCCH-PSSCH.
  • the NR UE can send the first control information SA to be compatible with the resource selection rules of the LTE sidelink, so that more reserved resources brought about by the joining of the NR terminal can be recognized by the LTE UE.
  • the position of the SA can also be located at the corresponding position in the SA pool, that is, the frequency domain position is not adjacent to the PSSCH.
  • the UE type indication can be carried in SA, and NR UE can identify whether the current UE belongs to NR UE, so that NR UE can be further enhanced.
  • the PSCCH_SA carrying SA needs to be consistent with the PSCCH in LTE. Therefore, the encoding method, scrambling, modulation, layer mapping, precoding, etc. of PSCCH_SA need to reuse/multiplex the relevant rules of LTE sidelink PSCCH.
  • the control information SA sent by the NR UE also needs to have the same indication field as that in the control information sent by the LTE UE, so as to ensure that the LTE UE can correctly decode the SA and obtain the indication information in the SA.
  • NR UEs can use the reserved bits to send enhanced information.
  • the first indication information is added to indicate whether the current sending UE or receiving UE is an NR UE, or further, indicating the Release version/resource allocation mode of the current NR UE.
  • a format 1 of SA sent by NR UE may be as follows:
  • Priority indication field for example, it is used to indicate the priority of the currently sent data.
  • Resource reservation indication field for example, it is used to indicate the periodic value of periodic reservation.
  • a frequency domain resource indication field for example, it is used to indicate the frequency domain positions of initial transmission and retransmission resources.
  • Initial transmission retransmission interval indication field for example, a time domain offset used to indicate the time domain positions of initial transmission and retransmission resources, etc.
  • v) MCS indication field for example, used to indicate the MCS level.
  • Retransmission indication field for example, it is used to indicate whether retransmission is allowed.
  • Transmission format indication field for example, it is used to indicate whether the transmission format adopts rate matching, TBS scaling, or adopts puncturing and no TBS-scaling, etc.
  • the first indication information indicates a field.
  • This SA is equivalent to reusing the format and indication field of LTE SCI format 1.
  • the control information SA is only used for compatible LTE UEs, and other functions are assumed by other control information.
  • an indication field is added to the reserved bits to indicate the first indication information, that is, the indication field of the first indication information is added, so that the NR terminal can determine the type of the terminal, thereby making further enhancements.
  • a format 2 of SA sent by NR UE may be as follows:
  • Priority indication field for example, it is used to indicate the priority of the currently sent data.
  • Resource reservation indication field for example, it is used to indicate the periodic value of periodic reservation.
  • a frequency domain resource indication field for example, it is used to indicate the frequency domain positions of initial transmission and retransmission resources.
  • Initial transmission retransmission interval indication field for example, a time domain offset used to indicate the time domain positions of initial transmission and retransmission resources, etc.
  • v) MCS indication field for example, used to indicate the MCS level.
  • Retransmission indication field for example, it is used to indicate whether retransmission is allowed.
  • Transmission format indication field for example, it is used to indicate whether the transmission format adopts rate matching, TBS scaling, or adopts puncturing and no TBS-scaling, etc.
  • the first indication information indicates a field.
  • This SA is equivalent to reusing the format and indication field of LTE SCI format 1.
  • the indication field is added to the reserved bits to indicate the first indication information
  • the HARQ association information indication field is added to indicate the HARQ associated with the same TB. process.
  • a HARQ association information indication field is added.
  • a format 3 of SA sent by NR UE may be as follows:
  • Priority indication field for example, it is used to indicate the priority of the currently sent data.
  • Resource reservation indication field for example, it is used to indicate the periodic value of periodic reservation.
  • a frequency domain resource indication field for example, it is used to indicate the frequency domain positions of initial transmission and retransmission resources.
  • Initial transmission retransmission interval indication field for example, a time domain offset used to indicate the time domain positions of initial transmission and retransmission resources, etc.
  • v) MCS indication field for example, used to indicate the MCS level.
  • Retransmission indication field for example, it is used to indicate whether retransmission is allowed.
  • Transmission format indication field for example, it is used to indicate whether the transmission format adopts rate matching, TBS scaling, or adopts puncturing and no TBS-scaling, etc.
  • the first indication information indicates a field.
  • This SA is equivalent to reusing the format and indication field of LTE SCI format 1.
  • the indication field is added to the reserved bits to indicate the first indication information
  • the format indication field of the second control information is added to indicate the second control
  • the format of the information, or only the format indication field of the second control information is added.
  • This format 3 is applicable to the situation where there are only the first control information and the second control information. At this time, it indicates the format of the second control information, such as SCI format 2-C or SCI format 2-D.
  • a format 4 of SA sent by NR UE may be as follows:
  • Priority indication field for example, it is used to indicate the priority of the currently sent data.
  • Resource reservation indication field for example, it is used to indicate the periodic value of periodic reservation.
  • a frequency domain resource indication field for example, it is used to indicate the frequency domain positions of initial transmission and retransmission resources.
  • Initial transmission retransmission interval indication field for example, a time domain offset used to indicate the time domain positions of initial transmission and retransmission resources, etc.
  • v) MCS indication field for example, used to indicate the MCS level.
  • Retransmission indication field for example, it is used to indicate whether retransmission is allowed.
  • Transmission format indication field for example, it is used to indicate whether the transmission format adopts rate matching, TBS scaling, or adopts puncturing and no TBS-scaling, etc.
  • the first indication information indicates a field.
  • This SA is equivalent to reusing the format and indication field of LTE SCI format 1.
  • the indication field is added to the reserved bits to indicate the first indication information
  • the format indication field of the second control information is added to indicate the second control
  • the format of the information while adding the PSFCH overhead indication field to indicate PSFCH overhead related information; or, the first indication information indication field may not be added, that is, the first indication information may not be sent.
  • This format 4 is applicable to the situation where there is only the first control information and the second control information. At this time, it indicates the format of the second control information, such as SCI format 2-C or SCI format 2-D. Indicates that PSFCH overhead information is applicable to the calculation of TBS when PSFCH feedback is introduced.
  • a format 5 of SA sent by NR UE may be as follows:
  • Priority indication field for example, it is used to indicate the priority of the currently sent data.
  • Resource reservation indication field for example, it is used to indicate the periodic value of periodic reservation.
  • a frequency domain resource indication field for example, it is used to indicate the frequency domain positions of initial transmission and retransmission resources.
  • Initial transmission retransmission interval indication field for example, a time domain offset used to indicate the time domain positions of initial transmission and retransmission resources, etc.
  • v) MCS indication field for example, used to indicate the MCS level.
  • Retransmission indication field for example, it is used to indicate whether retransmission is allowed.
  • Transmission format indication field for example, it is used to indicate whether the transmission format adopts rate matching, TBS scaling, or adopts puncturing and no TBS-scaling, etc.
  • the first indication information indicates a field.
  • Beta_offset indicates domain.
  • This SA is equivalent to reusing the format and indication field of LTE SCI format 1.
  • the indication field is added to the reserved bits to indicate the first indication information
  • the format indication field of the second control information is added to indicate the second control The format of the information; or, the indication field of the first indication information may not be added, that is, the first indication information may not be sent.
  • This format 5 is applicable to the situation where there is only the first control information and the second control information. At this time, it indicates the format of the second control information, such as SCI format 2-C or SCI format 2-D.
  • an indication field Beta_offset is added to indicate information such as the number of symbols occupied by the second control information when the second control information is carried on the PSSCH channel. If PSFCH is enabled at this time, it is optional to add the PSFCH overhead indication field.
  • a format 6 of SA sent by NR UE may be as follows:
  • Priority indication field for example, it is used to indicate the priority of the currently sent data.
  • Resource reservation indication field for example, it is used to indicate the periodic value of periodic reservation.
  • a frequency domain resource indication field for example, it is used to indicate the frequency domain positions of initial transmission and retransmission resources.
  • Initial transmission retransmission interval indication field for example, a time domain offset used to indicate the time domain positions of initial transmission and retransmission resources, etc.
  • v) MCS indication field for example, used to indicate the MCS level.
  • Retransmission indication field for example, it is used to indicate whether retransmission is allowed.
  • Transmission format indication field for example, it is used to indicate whether the transmission format adopts rate matching, TBS scaling, or adopts puncturing and no TBS-scaling, etc.
  • This SA fully reuses the format and indication content of the control information of the LTE UE, and is suitable for the case where no enhancement is made to the NR UE.
  • the execution subject may be an information indication device, or a control module in the information indication device for executing the information indication method.
  • the information indicating device executed by the information indicating device is taken as an example to describe the information indicating device provided in the embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of an information indicating device provided by an embodiment of the present application.
  • the device is applied to a terminal, such as an NR terminal.
  • the information indication device 40 includes:
  • a transceiver module 41 configured to send or receive first control information
  • the first control information is carried on a first control channel.
  • the first control information includes at least one of the following:
  • the first indication information indicates a field
  • Beta_offset indicates domain.
  • the first indication information indication field is used to indicate at least one of the following:
  • the resource reservation mode is one of the following: periodic reservation, aperiodic reservation, periodic reservation and aperiodic reservation.
  • the setting of the indication field in the first control information satisfies at least one of the following:
  • the PSFCH overhead indication field is set;
  • the first information includes at least one of the following: high layer indication, DCI, SCI.
  • the first control channel satisfies at least one of the following:
  • the encoding method is turbo encoding
  • the scrambling sequence generator performs initialization at the beginning of each slot
  • the modulation method is quadrature phase shift keying QPSK
  • transform precoding to multiplex transform precoding rules for specific channels
  • the transceiver module 41 when the transceiver module 41 sends the first control information, at least one of the following is satisfied:
  • the first control information is sent in the time unit of the PSSCH corresponding to the first control channel, occupying two PRBs;
  • the terminal receives DCI scheduling at time unit n, then send the first control information in the first PSSCH time unit no earlier than n+Q time; wherein, the Q and data packet processing time or DCI processing time related;
  • the terminal initially transmits the first control information in the PSSCH time unit tT, and the indication information in the configuration sidelink grant indicates that the time interval between the initial transmission and retransmission of the first control information is not 0, then in the PSSCH time unit tT+gap retransmits the first control information; wherein, the time interval between the tT+gap and tT is indicated by the indication information in the configured sidelink grant, and/or, the first control information is in the frequency domain
  • the location of the initial subchannel is indicated by the indication information in the configuration authorization.
  • any of the following is satisfied:
  • the resource pool configures the terminal to send the first control channel and the corresponding PSSCH on adjacent RBs in the time unit
  • the resources of the first control channel are two consecutive PRBs, and the two consecutive PRBs
  • the index of is related to the index of the starting subchannel and the size of the subchannel.
  • the resource pool configuration terminal sends the first control channel and the corresponding PSSCH on non-adjacent RBs in the time unit, the resources of the first control channel are two consecutive PRBs, and the two consecutive The index of the PRB is related to the index of the starting RB of the first control channel pool.
  • the terminal when the terminal receives the first control information, at least one of the following is satisfied:
  • the terminal When the terminal detects the first control information on the first control channel, it decodes the corresponding first control information according to the resource configuration of the first control channel;
  • the terminal does not detect the first control information on more than one first control channel at each first control channel candidate resource position;
  • the terminal Before the terminal decodes the first control information on the first control channel, it does not assume that the reserved bits in the first control information have any value.
  • a specific frequency is used for subcarrier spacing when the terminal sends and receives information.
  • the subchannel of the resource pool where the terminal is located satisfies at least one of the following:
  • the size of the sub-channel in the resource pool of the terminal is ⁇ n5, n6, n10, n15, n20, n25, n50, n75, n100 ⁇ ;
  • the size of sub-channels in the resource pool of the terminal is ⁇ n4, n5, n6, n8, n9, n10, n12, n15, n16, n18, n20, n30, n48 ,n72,n96 ⁇ .
  • the information indication device 40 also includes:
  • a determining module configured to determine a first parameter; wherein, the first parameter is a parameter determined based on at least one of the following: protocol pre-definition, network pre-configuration, terminal pre-configuration, network configuration, terminal configuration; the first parameter It is used to indicate whether the control information of the terminal is separated from the data information in the frequency domain.
  • the information indication device in the embodiment of the present application may be a device, a device with an operating system or an electronic device, or a component, an integrated circuit, or a chip in a terminal.
  • the apparatus or electronic equipment may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include but not limited to the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machines or self-service machines, etc., which are not specifically limited in this embodiment of the present application.
  • the information indicating device 40 provided in the embodiment of the present application can realize various processes realized by the method embodiment in FIG. 2 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the embodiment of the present application also provides a terminal 50, including a processor 51, a memory 52, and programs or instructions stored in the memory 52 and operable on the processor 51.
  • a terminal 50 including a processor 51, a memory 52, and programs or instructions stored in the memory 52 and operable on the processor 51.
  • the programs or instructions are executed by the processor 51, the various processes of the above-mentioned information indication method embodiments can be achieved, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • An embodiment of the present application further provides a terminal, including a processor and a communication interface, where the communication interface is used to send or receive first control information; the first control information is carried on a first control channel.
  • This embodiment of the terminal corresponds to the embodiment of the above-mentioned information indication method.
  • the various implementation processes and implementation methods of the above-mentioned method embodiments can be applied to this embodiment of the terminal, and can achieve the same technical effect. In order to avoid repetition, it is not repeated here Let me repeat.
  • FIG. 6 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 600 includes but is not limited to: a radio frequency unit 601, a network module 602, an audio output unit 603, an input unit 604, a sensor 605, a display unit 606, a user input unit 607, an interface unit 608, a memory 609, and a processor 610, etc. at least some of the components.
  • the terminal 600 may also include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 610 through the power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
  • a power supply such as a battery
  • the terminal structure shown in FIG. 6 does not constitute a limitation on the terminal.
  • the terminal may include more or fewer components than shown in the figure, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 604 may include a graphics processor (Graphics Processing Unit, GPU) 6041 and a microphone 6042, and the graphics processor 6041 is used for the image capture device (such as the image data of the still picture or video obtained by the camera) for processing.
  • the display unit 606 may include a display panel 6061, and the display panel 6061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 607 includes a touch panel 6071 and other input devices 6072 .
  • the touch panel 6071 is also called a touch screen.
  • the touch panel 6071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 6072 may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 601 receives the downlink data from the network side device, and processes it to the processor 610; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 601 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the memory 609 can be used to store software programs or instructions as well as various data.
  • the memory 609 may mainly include a program or instruction storage area and a data storage area, wherein the program or instruction storage area may store an operating system, an application program or instructions required by at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 609 may include a high-speed random access memory, and may also include a nonvolatile memory, wherein the nonvolatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one disk storage device, flash memory device, or other non-volatile solid-state storage device.
  • the processor 610 may include one or more processing units; optionally, the processor 610 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface and application programs or instructions, etc., Modem processors mainly handle wireless communications, such as baseband processors. It can be understood that the foregoing modem processor may not be integrated into the processor 610 .
  • the radio frequency unit 601 is configured to send or receive first control information; the first control information is carried on a first control channel.
  • the terminal 600 provided in the embodiment of the present application can implement various processes implemented in the method embodiment in FIG. 2 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the embodiment of the present application also provides a readable storage medium.
  • the readable storage medium stores programs or instructions.
  • the program or instructions are executed by the processor, the various processes of the above-mentioned information indication method embodiments can be realized, and the same To avoid repetition, the technical effects will not be repeated here.
  • the processor is the processor in the terminal described in the foregoing embodiments.
  • the readable storage medium includes computer readable storage medium, such as computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
  • the embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the above information indication method embodiment
  • the chip includes a processor and a communication interface
  • the communication interface is coupled to the processor
  • the processor is used to run programs or instructions to implement the above information indication method embodiment
  • the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.
  • the embodiment of the present application also provides a computer program product, which is stored in a readable storage medium.
  • the computer program product is executed by at least one processor to implement the various processes in the above information indication method embodiment, and can achieve the same technical Effect, in order to avoid repetition, will not repeat them here.
  • the term “comprising”, “comprising” or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase “comprising a " does not preclude the presence of additional identical elements in the process, method, article or apparatus comprising that element.
  • the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
  • the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of computer software products, which are stored in a storage medium (such as ROM/RAM, magnetic disk, etc.) , CD-ROM), including several instructions to enable a terminal (which may be a mobile phone, computer, server, air conditioner, or network-side device, etc.) to execute the methods described in various embodiments of the present application.

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Abstract

本申请公开了一种信息指示方法、装置、终端及可读存储介质,属于通信技术领域。本申请实施例的信息指示方法包括:终端发送或者接收第一控制信息;所述第一控制信息承载在第一控制信道上。

Description

信息指示方法、装置、终端及可读存储介质
相关申请的交叉引用
本申请主张在2021年08月27日在中国提交的中国专利申请No.202110998328.7的优先权,其全部内容通过引用包含于此。
技术领域
本申请属于通信技术领域,具体涉及一种信息指示方法、装置、终端及可读存储介质。
背景技术
在长期演进型(Long Term Evolution,LTE)旁链路(sidelink,SL)中,控制信息以旁链路控制信息(Sidelink Control Information,SCI)格式1(format 1)的形式存在,SCI format 1与物理旁链路共享信道(Physical Sidelink Shared Channel,PSSCH)是频分多路复用(Frequency Division Multiplexing,FDM)。而新空口(New Radio,NR)sidelink中,控制信息以1st SCI和2nd SCI的形式存在,与PSSCH主要是时分多路复用(Time Division Multiplexing,TDM)。此情况下,由于sidelink中需要解码控制信息用于资源选择,但LTE终端和NR终端的控制信息不兼容,将会造成LTE终端和NR终端无法共享相同资源池进行资源传输,从而导致系统资源的利用率较低。
发明内容
本申请实施例提供一种信息指示方法、装置、终端及可读存储介质,能够解决现有系统资源的利用率较低的问题。
第一方面,提供了一种信息指示方法,包括:
终端发送或者接收第一控制信息;
其中,所述第一控制信息承载在第一控制信道上。
第二方面,提供了一种信息指示装置,包括:
收发模块,用于发送或者接收第一控制信息;
其中,所述第一控制信息承载在第一控制信道上。
第三方面,提供了一种终端,该终端包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如第一方面所述的方法的步骤。
第四方面,提供了一种终端,包括处理器及通信接口,其中,所述通信接口用于发送或者接收第一控制信息;其中,所述第一控制信息承载在第一控制信道上。
第五方面,提供了一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如第一方面所述的方法的步骤。
第六方面,提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现如第一方面所述的方法。
第七方面,提供了一种计算机程序产品,所述计算机程序产品被存储在非瞬态的存储介质中,所述计算机程序产品被至少一个处理器执行以实现如第一方面所述的方法的步骤。
在本申请实施例中,终端可以发送或者接收第一控制信息。由此,在同频共存的情况下,终端比如NR终端发送第一控制信息,第一控制信息比如采用LTE sidelink中的SCI format 1,可以保证LTE终端读取到NR终端的周期资源预留信息用于资源选择,使得LTE终端的系统性能不会在引入NR终端后因无法排除NR终端的预留资源而受到大的影响,因此LTE终端和NR终端可以共享相同资源池进行资源传输,从而提高系统资源的利用率。
附图说明
图1是本申请实施例可应用的一种无线通信系统的框图;
图2是本申请实施例提供的一种信息指示方法的流程图;
图3是本申请实施例中的时隙示意图;
图4是本申请实施例提供的一种信息指示装置的结构示意图;
图5是本申请实施例提供的一种终端的结构示意图;
图6是本申请实施例提供的另一种终端的结构示意图。
具体实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员所获得的所有其他实施例,都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象,而不用于描述特定的顺序或先后次序。应该理解这样使用的术语在适当情况下可以互换,以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施,且“第一”、“第二”所区别的对象通常为一类,并不限定对象的个数,例如第一对象可以是一个,也可以是多个。此外,说明书以及权利要求中“和/或”表示所连接对象的至少其中之一,字符“/”一般表示前后关联对象是一种“或”的关系。
值得指出的是,本申请实施例所描述的技术不限于长期演进型(Long Term Evolution,LTE)/LTE的演进(LTE-Advanced,LTE-A)系统,还可用于其他无线通信系统,诸如码分多址(Code Division Multiple Access,CDMA)、时分多址(Time Division Multiple Access,TDMA)、频分多址(Frequency Division Multiple Access,FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access,OFDMA)、单载波频分多址(Single-carrier Frequency-Division Multiple Access,SC-FDMA)和其他系统。本申请实施例中的术语“系统”和“网络”常被可互换地使用,所描述的技术既可用于以上提及的系统和无线电技术,也可用于其他系统和无线电技术。以下描述出于示例目的描述了新空口(New Radio,NR)系统,并且在以下大部分描述中使用NR术语,但是这些技术也可应用于NR系统应用以外的应用,如第6代(6 th Generation,6G)通信系统。
图1示出本申请实施例可应用的一种无线通信系统的框图。无线通信系统包括终端11和网络侧设备12。其中,终端11也可以称作终端设备或者用户终端(User Equipment,UE),终端11可以是手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)或称为笔记本电脑、个人数字助 理(Personal Digital Assistant,PDA)、掌上电脑、上网本、超级移动个人计算机(ultra-mobile personal computer,UMPC)、移动上网装置(Mobile Internet Device,MID)、增强现实(augmented reality,AR)/虚拟现实(virtual reality,VR)设备、机器人、可穿戴式设备(Wearable Device)、车载设备(Vehicle User Equipment,VUE)、行人终端(Pedestrian User Equipment,PUE)、智能家居(具有无线通信功能的家居设备,如冰箱、电视、洗衣机或者家具等)等终端侧设备,可穿戴式设备包括:智能手表、智能手环、智能耳机、智能眼镜、智能首饰(智能手镯、智能手链、智能戒指、智能项链、智能脚镯、智能脚链等)、智能腕带、智能服装、游戏机等。需要说明的是,在本申请实施例并不限定终端11的具体类型。网络侧设备12可以是基站或核心网,其中,基站可被称为节点B、演进节点B、接入点、基收发机站(Base Transceiver Station,BTS)、无线电基站、无线电收发机、基本服务集(Basic Service Set,BSS)、扩展服务集(Extended Service Set,ESS)、B节点、演进型B节点(eNB)、家用B节点、家用演进型B节点、无线局域网(Wireless Local Area Network,WLAN)接入点、无线保真(Wireless Fidelity,WiFi)节点、发送接收点(Transmitting Receiving Point,TRP)或所述领域中其他某个合适的术语,只要达到相同的技术效果,所述基站不限于特定技术词汇。
可理解的,基于图1,本申请实施例适用的场景为终端11之间的sidelink传输,包括但不限于NR系统、6G通信系统等。
本申请实施例中,旁链路sidelink也可称为:副链路,侧链路,边链路等。Sidelink传输为终端比如用户设备(User Equipment,UE)之间直接在物理层上进行数据传输。
可选的,本申请实施例中的时间单元可以包括但不限于帧(frame)、子帧(subframe)、时隙(slot)、符号(symbol)等。以下实施例中时间单位以NR中slot为主进行描述,但不限于slot。
下面结合附图,通过一些实施例及其应用场景对本申请实施例提供的信息指示方法、装置、终端及可读存储介质进行详细地说明。
请参见图2,图2是本申请实施例提供的一种信息指示方法的流程图,该方法由终端执行,该终端比如为NR终端等。如图2所示,该方法包括如 下步骤:
步骤21:终端发送或者接收第一控制信息。
本实施例中,第一控制信息承载在第一控制信道上。
需指出的,第一控制信息实质上是旁链路控制信息SCI,但与现有SCI不同,为避免与现有SCI混淆,以下相关描述写成了SA。第一控制信道实质上是物理旁链路控制信道(Physical Sidelink Control Channel,PSCCH),但与现有PSCCH不同,为避免与现有PSCCH混淆,以下相关描述写成了PSCCH_SA。
可选的,第一控制信息可以采用第一信息格式,第一信息格式为与终端对应的通信系统不同的其他通信系统下的控制信息格式,以使得其他通信系统下的终端可以解码成功第一控制信息。比如,以终端为NR终端为例,NR终端发送的第一控制信息可以采用LTE sidelink中的SCI format 1,以使得LTE终端可以解码成功NR终端发送的第一控制信息,并获得第一控制信息指示的资源预留相关信息用于资源选择,从而不影响系统内LTE终端的性能,使得LTE终端和NR终端可以共享相同资源池进行资源传输,提高系统资源的利用率。
本申请实施例的信息指示方法,终端可以发送或者接收第一控制信息。由此,在同频共存的情况下,终端比如NR终端发送第一控制信息,第一控制信息比如采用LTE sidelink中的SCI format 1,可以保证LTE终端读取到NR终端的周期资源预留信息用于资源选择,使得LTE终端的系统性能不会在引入NR终端因无法排除NR终端的预留资源而受到大的影响,因此LTE终端和NR终端可以共享相同资源池进行资源传输,从而提高系统资源的利用率。
本申请实施例中,第一控制信息可以包括以下至少一项:
ⅰ)第一指示信息指示域。
此1)中,第一指示信息指示域主要用于区分终端,和/或指示终端(如NR UE)的具体信息。比如,对于NR UE来说,因为LTE UE发送的SCI format1中的预留比特均设置为0,因此第一指示信息指示域使得其可以通过第一指示信息指示的信息区分NR UE和LTE UE,或者直接通过因为第一指示信息 指示域的存在导致控制信息格式的不同来区分NR UE和LTE UE,从而可以对第一控制信息进一步的增强,有利于保证工作在共存频段的NR UE的性能。
ⅱ)优先级指示域;比如,用于指示当前发送数据的优先级。
ⅲ)资源预留指示域;比如,用于指示周期预留的周期值。
ⅳ)频域资源指示域;比如,用于指示初传与重传资源的频域位置。
ⅴ)初传重传间隔指示域;比如,用于指示初传与重传资源的时域位置的时域偏移等。
ⅵ)调制和编码策略(Modulation and Coding Scheme,MCS)指示域;比如,用于指示MCS等级。
ⅶ)重传指示域;比如,用于指示是否允许重传。
ⅷ)传输格式指示域;比如,用于指示传输格式是否采用速率匹配、传输块大小(Transport Block size,TBS)缩放(scaling),还是采用打孔(puncturing)和no TBS-scaling等。
ⅸ)混合自动重传请求(Hybrid Automatic Repeat reQuest,HARQ)关联信息指示域;比如,用于指示多个HARQ进程内的预留资源属于同一个传输块(Transport Block,TB),或者SL进程,媒体接入控制(Media Access Control,MAC)协议数据单元(Protocol Data Unit,PDU)等。
ⅹ)第二控制信息的格式指示域;比如,用于指示不同的第二/第三控制信息的格式。
其中,第二/第三控制信息可理解为第一控制信息的增强信息。以NR终端为例,NR终端除了可以发送第一控制信息之后,还可以发送第二/第三控制信息。第一控制信息主要用于LTE终端可以读取到NR终端的资源预留信息来进行资源选择,此情况下,其他NR终端也可以解码该NR终端的第一控制信息来获取资源预留信息。第二/第三控制信息主要用于其他NR终端读取到该NR终端的资源预留信息来进行资源选择以及接收数据,HARQ反馈等。
xi)物理旁链路反馈信道(Physical Sidelink Feedback Channel,PSFCH)overhead指示域;比如,用于指示PSFCH overhead相关信息。
xii)Beta_offset指示域;比如,用于指示确定第一共享信道(如PSSCH_SA) 上承载的第二/第三控制信息的相关信息,比如映射方式,调制符号数等。
可选的,第一指示信息指示域可以用于指示以下至少一项:
a)设备类型。
此a)中,可以指示发送终端类型,也可以指示接收终端类型。比如,发送终端可以为LTE UE或者NR UE。若采用1bit信息指示发送终端类型,可以‘0’表示LTE UE,‘1’表示NR UE;或者,‘0’表示NR UE,‘1’表示LTE UE。
b)终端所使用的协议版本。
c)是否存在下一级控制信息,和/或,下一级控制信息的格式。
d)资源分配模式mode。例如,当共存频段下NR资源分配模式定义为mode 5时,指示当前分配模式是mode 5还是NR R16资源分配模式。
e)资源选择模式。
f)资源检测模式。
g)资源预留方式为以下之一:周期预留,非周期预留、周期预留和非周期预留。
h)设置为‘1’的一个比特。
一些实施例中,以NR UE为例,SA指示的内容是上述ii)~viii)中指示域的内容。此指示内容与LTE UE所发送控制信息的指示内容相同,以后向兼容LTE UE。
一些实施例中,以NR UE为例,SA指示的内容是上述i)~viii)中指示域的内容。此指示内容在LTE UE所发送控制信息的指示内容的基础上新增了第一指示信息所指示内容,用于在后向兼容LTE UE的同时,使得NR UE可以区分LTE UE和NR UE,以及获取其他相关信息。
一些实施例中,以NR UE为例,SA指示的内容是上述i)~viii)中指示域的内容,以及HARQ关联信息指示域。此时NR UE可以利用解码控制信息SA实现检测(sensing)。
一些实施例中,以NR UE为例,SA指示的内容是上述i)~viii)中指示域的内容,以及第二控制信息格式、PSFCH overhead和/或Beta_offset信息。此时,SA可以代替掉原NR UE中SCI format 1-A的作用,因此,可以不再 发送SCI format 1-A,或者将部分SCI format 1-A与SCI format 2结合。在此基础之上,如果新的第二控制信息在第二控制信道(如PSCCH_SA-1)上发送,可以不发送PSFCH overhead和Beta_offset信息。
本申请实施例中,第一控制信息中指示域的设置可以满足以下至少一项:
1)根据第一信息指示的内容,设置第一指示信息指示域;
2)根据资源选择过程中的HARQ关联信息,设置HARQ关联信息指示域;
3)根据第一信息指示的PSFCH周期,设置PSFCH overhead指示域;
4)根据第二控制信息的格式,设置第二控制信息的格式指示域;
5)根据第一信息指示的对应传输块(Transport Block,TB)的优先级中的最高优先级,设置优先级指示域;
6)根据第一信息指示的内容,设置MCS指示域;
7)设置初重传间隔指示域、频域资源指示域和/或重传指示域,使得资源选择过程确定的PSSCH的时频域资源与配置授权(Configured Grant,CG)指示的PSSCH资源分配一致;
8)根据第一信息指示的预留周期信息,设置预留周期指示域。
可选的,上述1)至8)中的第一信息可以包括以下至少一项:高层指示、下行控制信息(Downlink Control Information,DCI)、SCI等。这样以NR终端为例,通过采用上述方式设置第一控制信息,可以使得LTE终端识别,同时可以通过在预留比特中新增指示域对NR终端进行增强。
可选的,第一控制信息承载在第一控制信道时,第一控制信道可以满足以下至少一项:
Ⅰ)编码方式是turbo编码。
Ⅱ)加扰序列生成器在每个时隙的起始位置执行初始化。
比如,加扰序列生成器可以采用C_init=510初始化。
Ⅲ)调制方式是正交相移键控(Quadrature Phase Shift Keying,QPSK)。
Ⅳ)层映射复用特定信道上单天线端口的层映射规则。
对于第一控制信道的层映射复用特定信道上单天线端口的层映射规则,可以是定义一种相同的层映射规则,也可以是直接重用/复用层映射规则,对 此不作限定。
以NR终端为例,PSCCH_SA的层映射可以复用LTE上行物理共享信道(Physical Uplink Shared Channel,PUSCH)上单天线端口的映射规则,即,PSCCH_SA的层映射根据LTE PUSCH上单天线端口的映射规则进行映射。对于LTE PUSCH,每个码字的调制符号映射到1或2层上。码字q上的调制符号
Figure PCTCN2022114193-appb-000001
层映射为x(i)=[x (0)(i)…x (v-1)(i)] T
Figure PCTCN2022114193-appb-000002
其中,v是层数,
Figure PCTCN2022114193-appb-000003
是每一层的调制符号数。对于只在一个天线端口传输的情况,层数为1,即v=1,层映射规则定义为:x (0)(i)=d (0)(i);其中,
Figure PCTCN2022114193-appb-000004
Ⅴ)变换预编码(Transform precoding)复用特定信道的变换预编码规则。
对于第一控制信道的变换预编码复用特定信道的变换预编码规则,可以是定义一种相同的变换预编码规则,也可以是直接重用/复用变换预编码规则,对此不作限定。
以NR终端为例,PSCCH_SA的Transform precoding可以复用LTE PUSCH的Transform precoding规则,即,PSCCH_SA的Transform precoding根据LTE PUSCH的Transform precoding规则进行。对于LTE PUSCH,针对层λ=0,1,...,υ-1,调制符号块
Figure PCTCN2022114193-appb-000005
被分成
Figure PCTCN2022114193-appb-000006
个子集,每个子集对应于一个SC-FDMA符号。Transform precoding的规则是根据如下的公式一,最终生成一个符号块
Figure PCTCN2022114193-appb-000007
其中,变量
Figure PCTCN2022114193-appb-000008
Figure PCTCN2022114193-appb-000009
表示PUSCH的带宽,相应单位是RB,
Figure PCTCN2022114193-appb-000010
为RB块大小,以子载波的数量表示,且满足
Figure PCTCN2022114193-appb-000011
α 235是非负整数:
Figure PCTCN2022114193-appb-000012
进一步的,PSCCH_SA的Transform precoding复用LTE PUSCH的Transform precoding规则可以使用频带上配置给PSCCH_SA的RB数
Figure PCTCN2022114193-appb-000013
和子载波数
Figure PCTCN2022114193-appb-000014
替代上述公式中频带上配置给PUSCH的RB数
Figure PCTCN2022114193-appb-000015
和 子载波数
Figure PCTCN2022114193-appb-000016
Ⅵ)预编码(Precoding)复用特定信道的预编码规则,且层数为1。
对于第一控制信道的预编码复用特定信道的预编码规则,可以是定义一种相同的预编码规则,也可以是直接重用/复用预编码规则,对此不作限定。
以NR终端为例,PSCCH_SA的Precoding可以复用LTE PUSCH的Precoding规则,即,PSCCH_SA的Precoding根据LTE PUSCH的Precoding规则进行,且层数为1。一些实施例中,预编码器的输入是从变换预编码器(transform precoder)生成的向量[y (0)(i) ... y (υ-1)(i)] T,其中
Figure PCTCN2022114193-appb-000017
对应输出向量为[z (0)(i) ... z (P-1)(i)] T,其中
Figure PCTCN2022114193-appb-000018
对于只在一个天线端口传输的情况,预编码定义为:z (0)(i)=y (0)(i);其中,
Figure PCTCN2022114193-appb-000019
Ⅶ)采用预设规则映射到物理资源上。
比如,PSCCH_SA映射到物理资源上时,可以首先预编码后的符号乘以功率调整因子来满足传输功率要求,然后按照符号顺序以先频域升序后时域升序的顺序映射在时频域资源上。
可选的,终端发送第一控制信息时,此终端发送第一控制信息也可以描述为终端发送第一控制信道,可以满足以下至少一项:
a)第一控制信息指示至少一项:发送数据的优先级、MCS等级、资源预留信息等。比如,NR终端可以通过发送控制信息SA指示发送数据的优先级、MCS等级以及资源预留等相关信息,由于使用了与LTE SA相同的格式与信道,可以使得LTE终端读取到此SA指示的相关信息,从而解决LTE终端与NR终端因为控制信息不兼容导致的无法同频共存问题。
b)第一控制信息在第一控制信道对应的PSSCH发送的时间单位发送,占据两个物理资源块(Physical Resource Block,PRB)。例如,时间单位可以为每个时隙、每个subframe等。
c)如果终端在时间单位n收到DCI调度,则在不早于n+Q的时间后的第一个PSSCH时间单位发送第一控制信息;其中,Q与数据包处理时间或者DCI处理时间相关。可理解的,此n仅是特定时刻的代指,用来使得相应描述更加清晰,并不具有具体含义。
d)如果终端在PSSCH时间单位t T初传第一控制信息,且配置旁链路授权(如configured Sidelink grant)中指示信息(如Time gap between initial transmission and retransmission)指示第一控制信息的初传和重传的时间间隔不为0,则在PSSCH时间单位t T+gap重传第一控制信息;其中,t T+gap和t T的时间间隔由配置旁链路授权中指示信息指示,和/或,第一控制信息在频域上起始子信道的位置由配置授权CG中指示信息(如Frequency resource location of the initial transmission and retransmission)指示。可理解的,此t T和t T+gap仅是特定时刻的代指,用来使得相应描述更加清晰,并不具有具体含义。
可选的,终端确定第一控制信道的RB池时,可以满足以下任意一项:
1)如果资源池配置终端在时间单位中相邻的RB上发送第一控制信道与相应的PSSCH,则第一控制信道的资源是两个连续的PRB,且两个连续的PRB的索引index与起始子信道的index和子信道的大小有关。
比如,可以采用如下公式确定第一控制信道资源m的频域PRB的索引为:n PRB=n subCHRBstart+m*n subCHsize+j;其中,n PRB是PRB的index,j=0或1,n subCHRBstart和n subCHsize是上层参数指示的起始子信道subchannel的RB序号和尺寸大小。
2)如果资源池配置终端在时间单位中不相邻的RB上发送第一控制信道与相应的PSSCH时,则第一控制信道的资源是两个连续的PRB,且两个连续的PRB的index与第一控制信道池的起始RB的index有关。
比如,可以采用如下公式确定第一控制信道资源m的频域PRB的索引为:n PRB=n PRCCHstart+2*m+j;其中,n PRB是PRB的index,j=0或1,n PSCCHstart是上层参数指示的PSCCH_SA池的起始PRB的index。
可选的,当终端接收第一控制信息时,可以满足以下至少一项:
1)终端在第一控制信道上检测第一控制信息时,根据第一控制信道的资源配置解码对应的第一控制信息;
2)终端在每个第一控制信道候选资源位置,不检测超过一个第一控制信道上的第一控制信息;即,终端不被要求在每个PSCCH_SA候选资源位置检测超过一个的PSCCH_SA;
3)终端在解码第一控制信道上的第一控制信息之前,不假设第一控制信 息中预留比特具有任意一个值;即,终端在解码SA前不应假设预留比特有任意一个值。
这样,以NR终端为例,借助上述接收SA的要求,使得NR终端也可以通过解码SA获取LTE终端的资源预留等相关信息,从而在资源选择时避开LTE终端预留资源等,从而兼容LTE终端,实现同频共存。
可选的,终端收发信息时的子载波间隔采用特定频率,比如15KHz,和LTE系统的子载波间隔相同。由此,可以使得LTE终端可以解码成功NR终端发送的控制信息SA。
可选的,终端所在资源池的子信道可以满足以下至少之一:
ⅰ.协议预定义、网络预配置和/或网络配置终端的资源池中的子信道大小为{n5,n6,n10,n15,n20,n25,n50,n75,n100};
ⅱ.协议预定义、网络预配置和/或网络配置终端的资源池中的子信道大小为{n4,n5,n6,n8,n9,n10,n12,n15,n16,n18,n20,n30,n48,n72,n96}。
其中,子信道大小可选为PRB数量。比如,以n5为例,表示PRB数量为5;以n18为例,表示PRB数量为18;以此类推。
一些实施例中,在PSCCH_SA与PSSCH频域相邻时,采用上述ⅰ。
一些实施例中,在PSCCH_SA与PSSCH频域不相邻时,采用上述ⅱ。
由此,可以使得NR sidelink的subchannel size、数目配置等采用LTE sidelink配置,从而实现相应控制信息指示一致。
可选的,本申请实施例中,终端可以确定第一参数,第一参数为基于以下至少一项确定的参数:协议预定义、网络预配置、终端预配置、网络配置、终端配置。第一参数用于指示终端的控制信息是否与数据信息频域分离,以便终端准确进行控制信息的资源选择。第一参数比如为adjacencyPSCCH-PSSCH。
下面结合具体实例对本申请进行详细说明。
实例1
如图3所示,NR UE可以发送第一控制信息SA,用以兼容LTE sidelink的资源选择规则,使得NR终端的加入带来的更多预留资源能够被LTE UE识别到。从LTE UE角度来看,只是多了一些进行资源预留的UE,系统更加 拥塞而已。除此之外,为了和LTE sidelink保持一致,SA的位置也可以位于SA pool内的对应位置,即频域位置与PSSCH不相邻。而对NR UE来说,SA中可以携带UE类型指示,NR UE可以识别到当前UE是否属于NR UE,这样使得NR UE可以做进一步的增强。
实例2
为了使LTE UE可以通过解码NR UE携带的控制信息SA获得NR UE的资源预留信息,承载SA的PSCCH_SA需要和LTE中的PSCCH保持一致。因此,PSCCH_SA的编码方式,加扰,调制,层映射,预编码等需要重用/复用LTE sidelink PSCCH的相关规则。同样的,NR UE发送的控制信息SA也需要在指示域上和LTE UE发送的控制信息中的指示域相同,从而确保LTE UE可以正确解码SA和获取SA中的指示信息。
由于SA指示域中存在预留比特,因此NR UE可以利用预留比特发送增强信息。例如,增加第一指示信息,用来指示当前发送UE或接收UE是否是NR UE,或者更进一步的,指示当前NR UE的Release版本/资源分配方式等。
实例3
由于LTE sidelink中控制信息的预留比特最少可以有6个,在资源池配置的子信道数较少时会更多,因此,可以考虑使用此预留比特对NR UE做进一步的增强。
一种NR UE发送的SA的格式1可以如下所示:
ⅰ)优先级指示域;比如,用于指示当前发送数据的优先级。
ⅱ)资源预留指示域;比如,用于指示周期预留的周期值。
ⅲ)频域资源指示域;比如,用于指示初传与重传资源的频域位置。
ⅳ)初传重传间隔指示域;比如,用于指示初传与重传资源的时域位置的时域偏移等。
ⅴ)MCS指示域;比如,用于指示MCS等级。
ⅵ)重传指示域;比如,用于指示是否允许重传。
ⅶ)传输格式指示域;比如,用于指示传输格式是否采用速率匹配、TBS scaling,还是采用puncturing和no TBS-scaling等。
ⅷ)第一指示信息指示域。
ⅸ)预留比特。
此SA相当于重用LTE SCI format 1的格式和指示域,控制信息SA只用于兼容LTE UE,其他功能由其他控制信息承担。除此之外,在预留比特中增加指示域用来指示第一指示信息,即增加第一指示信息指示域,使得NR终端可以判断出终端类型,从而做进一步增强。
实例4
一种NR UE发送的SA的格式2可以如下所示:
ⅰ)优先级指示域;比如,用于指示当前发送数据的优先级。
ⅱ)资源预留指示域;比如,用于指示周期预留的周期值。
ⅲ)频域资源指示域;比如,用于指示初传与重传资源的频域位置。
ⅳ)初传重传间隔指示域;比如,用于指示初传与重传资源的时域位置的时域偏移等。
ⅴ)MCS指示域;比如,用于指示MCS等级。
ⅵ)重传指示域;比如,用于指示是否允许重传。
ⅶ)传输格式指示域;比如,用于指示传输格式是否采用速率匹配、TBS scaling,还是采用puncturing和no TBS-scaling等。
ⅷ)第一指示信息指示域。
ⅸ)HARQ关联信息指示域。
此SA相当于重用LTE SCI format 1的格式和指示域,除此之外,在预留比特中增加指示域用来指示第一指示信息,以及增加HARQ关联信息指示域指示发送同一TB关联的HARQ进程。或者,增加HARQ关联信息指示域。
实例5
一种NR UE发送的SA的格式3可以如下所示:
ⅰ)优先级指示域;比如,用于指示当前发送数据的优先级。
ⅱ)资源预留指示域;比如,用于指示周期预留的周期值。
ⅲ)频域资源指示域;比如,用于指示初传与重传资源的频域位置。
ⅳ)初传重传间隔指示域;比如,用于指示初传与重传资源的时域位置的时域偏移等。
ⅴ)MCS指示域;比如,用于指示MCS等级。
ⅵ)重传指示域;比如,用于指示是否允许重传。
ⅶ)传输格式指示域;比如,用于指示传输格式是否采用速率匹配、TBS scaling,还是采用puncturing和no TBS-scaling等。
ⅷ)第一指示信息指示域。
ⅸ)第二控制信息的格式指示域。
此SA相当于重用LTE SCI format 1的格式和指示域,除此之外,在预留比特中增加指示域用来指示第一指示信息,以及增加第二控制信息的格式指示域指示第二控制信息的格式,或者只增加第二控制信息的格式指示域。此格式3适用于只有第一控制信息和第二控制信息的情况,此时指示第二控制信息的格式,例如是SCI format 2-C还是SCI format 2-D。
实例6
一种NR UE发送的SA的格式4可以如下所示:
ⅰ)优先级指示域;比如,用于指示当前发送数据的优先级。
ⅱ)资源预留指示域;比如,用于指示周期预留的周期值。
ⅲ)频域资源指示域;比如,用于指示初传与重传资源的频域位置。
ⅳ)初传重传间隔指示域;比如,用于指示初传与重传资源的时域位置的时域偏移等。
ⅴ)MCS指示域;比如,用于指示MCS等级。
ⅵ)重传指示域;比如,用于指示是否允许重传。
ⅶ)传输格式指示域;比如,用于指示传输格式是否采用速率匹配、TBS scaling,还是采用puncturing和no TBS-scaling等。
ⅷ)第一指示信息指示域。
ⅸ)第二控制信息的格式指示域。
ⅹ)PSFCH overhead指示域。
此SA相当于重用LTE SCI format 1的格式和指示域,除此之外,在预留比特中增加指示域用来指示第一指示信息,以及增加第二控制信息的格式指示域指示第二控制信息的格式,同时增加PSFCH overhead指示域指示PSFCH overhead相关信息;或者,也可以不增加第一指示信息指示域,即第一指示信息也可以不发。此格式4适用于只有第一控制信息和第二控制信息的情况, 此时指示第二控制信息的格式,例如是SCI format 2-C还是SCI format 2-D。指示PSFCH overhead信息适用于引入PSFCH反馈时可以用于计算TBS。
实例7
一种NR UE发送的SA的格式5可以如下所示:
ⅰ)优先级指示域;比如,用于指示当前发送数据的优先级。
ⅱ)资源预留指示域;比如,用于指示周期预留的周期值。
ⅲ)频域资源指示域;比如,用于指示初传与重传资源的频域位置。
ⅳ)初传重传间隔指示域;比如,用于指示初传与重传资源的时域位置的时域偏移等。
ⅴ)MCS指示域;比如,用于指示MCS等级。
ⅵ)重传指示域;比如,用于指示是否允许重传。
ⅶ)传输格式指示域;比如,用于指示传输格式是否采用速率匹配、TBS scaling,还是采用puncturing和no TBS-scaling等。
ⅷ)第一指示信息指示域。
ⅸ)第二控制信息的格式指示域。
ⅹ)Beta_offset指示域。
此SA相当于重用LTE SCI format 1的格式和指示域,除此之外,在预留比特中增加指示域用来指示第一指示信息,以及增加第二控制信息的格式指示域指示第二控制信息的格式;或者,也可以不增加第一指示信息指示域,即第一指示信息也可以不发。此格式5适用于只有第一控制信息和第二控制信息的情况,此时指示第二控制信息的格式,例如是SCI format 2-C还是SCI format 2-D。同时增加指示域Beta_offset用于指示如果第二控制信息承载在PSSCH信道时计算第二控制信息占用的符号数等信息。如果此时使能了PSFCH,可选的,加上PSFCH overhead指示域。
实例8
一种NR UE发送的SA的格式6可以如下所示:
ⅰ)优先级指示域;比如,用于指示当前发送数据的优先级。
ⅱ)资源预留指示域;比如,用于指示周期预留的周期值。
ⅲ)频域资源指示域;比如,用于指示初传与重传资源的频域位置。
ⅳ)初传重传间隔指示域;比如,用于指示初传与重传资源的时域位置的时域偏移等。
ⅴ)MCS指示域;比如,用于指示MCS等级。
ⅵ)重传指示域;比如,用于指示是否允许重传。
ⅶ)传输格式指示域;比如,用于指示传输格式是否采用速率匹配、TBS scaling,还是采用puncturing和no TBS-scaling等。
ⅷ)预留比特。
此SA完全重用LTE UE的控制信息的格式和指示内容,适用于不对NR UE做增强的情况。
需要说明的是,本申请实施例提供的信息指示方法,执行主体可以为信息指示装置,或者,该信息指示装置中的用于执行信息指示方法的控制模块。本申请实施例中以信息指示装置执行信息指示方法为例,说明本申请实施例提供的信息指示装置。
请参见图4,图4是本申请实施例提供的一种信息指示装置的结构示意图,该装置应用于终端,该终端比如为NR终端等。如图4所示,信息指示装置40包括:
收发模块41,用于发送或者接收第一控制信息;
其中,所述第一控制信息承载在第一控制信道上。
可选的,所述第一控制信息包括以下至少一项:
第一指示信息指示域;
优先级指示域;
资源预留指示域;
频域资源指示域;
初传重传间隔指示域;
MCS指示域;
重传指示域;
传输格式指示域;
HARQ关联信息指示域;
第二控制信息的格式指示域;
PSFCH overhead指示域;
Beta_offset指示域。
可选的,所述第一指示信息指示域用于指示以下至少一项:
设备类型;
所述终端所使用的协议版本;
是否存在下一级控制信息,和/或,所述下一级控制信息的格式;
资源分配模式;
资源选择模式;
资源检测模式;
资源预留方式为以下之一:周期预留,非周期预留、周期预留和非周期预留。
可选的,所述第一控制信息中的指示域的设置满足以下至少一项:
根据第一信息指示的内容,设置第一指示信息指示域;
根据资源选择过程中的HARQ关联信息,设置HARQ关联信息指示域;
根据第一信息指示的PSFCH周期,设置PSFCH overhead指示域;
根据第二控制信息的格式,设置第二控制信息的格式指示域;
根据第一信息指示的对应传输块TB的优先级中的最高优先级,设置优先级指示域;
根据第一信息指示的内容,设置MCS指示域;
设置初重传间隔指示域、频域资源指示域和/或重传指示域,使得资源选择过程确定的物理旁链路共享信道PSSCH的时频域资源与配置授权CG指示的PSSCH资源分配一致;
根据第一信息指示的预留周期信息,设置预留周期指示域;
其中,所述第一信息包括以下至少一项:高层指示、DCI、SCI。
可选的,所述第一控制信道满足以下至少一项:
编码方式是turbo编码;
加扰序列生成器在每个时隙的起始位置执行初始化;
调制方式是正交相移键控QPSK;
层映射复用特定信道上单天线端口的层映射规则;
变换预编码复用特定信道的变换预编码规则;
预编码复用特定信道的预编码规则,且层数为1;
采用预设规则映射到物理资源上。
可选的,当收发模块41发送第一控制信息时,满足以下至少一项:
所述第一控制信息在所述第一控制信道对应的PSSCH发送的时间单位发送,占据两个PRB;
如果所述终端在时间单位n收到DCI调度,则在不早于n+Q的时间后的第一个PSSCH时间单位发送所述第一控制信息;其中,所述Q与数据包处理时间或者DCI处理时间相关;
如果所述终端在PSSCH时间单位tT初传所述第一控制信息,且配置旁链路授权中指示信息指示第一控制信息的初传和重传的时间间隔不为0,则在PSSCH时间单位tT+gap重传所述第一控制信息;其中,所述tT+gap和tT的时间间隔由所述配置旁链路授权中指示信息指示,和/或,所述第一控制信息在频域上起始子信道的位置由配置授权中指示信息指示。
可选的,所述终端确定所述第一控制信道的RB池时,满足以下任意一项:
如果资源池配置终端在时间单位中相邻的RB上发送所述第一控制信道与相应的PSSCH,则所述第一控制信道的资源是两个连续的PRB,且所述两个连续的PRB的index与起始子信道的index和子信道的大小有关。
如果资源池配置终端在时间单位中不相邻的RB上发送所述第一控制信道与相应的PSSCH时,则所述第一控制信道的资源是两个连续的PRB,且所述两个连续的PRB的index与第一控制信道池的起始RB的index有关。
可选的,当所述终端接收所述第一控制信息时,满足以下至少一项:
所述终端在第一控制信道上检测第一控制信息时,根据所述第一控制信道的资源配置解码对应的第一控制信息;
所述终端在每个第一控制信道候选资源位置,不检测超过一个第一控制信道上的第一控制信息;
所述终端在解码第一控制信道上的第一控制信息之前,不假设所述第一控制信息中预留比特具有任意一个值。
可选的,所述终端收发信息时的子载波间隔采用特定频率。
可选的,所述终端所在资源池的子信道满足以下至少之一:
协议预定义、网络预配置和/或网络配置所述终端的资源池中的子信道大小为{n5,n6,n10,n15,n20,n25,n50,n75,n100};
协议预定义、网络预配置和/或网络配置所述终端的资源池中的子信道大小为{n4,n5,n6,n8,n9,n10,n12,n15,n16,n18,n20,n30,n48,n72,n96}。
可选的,信息指示装置40还包括:
确定模块,用于确定第一参数;其中,所述第一参数为基于以下至少一项确定的参数:协议预定义、网络预配置、终端预配置、网络配置、终端配置;所述第一参数用于指示所述终端的控制信息是否与数据信息频域分离。
本申请实施例中的信息指示装置可以是装置,具有操作系统的装置或电子设备,也可以是终端中的部件、集成电路、或芯片。该装置或电子设备可以是移动终端,也可以为非移动终端。示例性的,移动终端可以包括但不限于上述所列举的终端11的类型,非移动终端可以为服务器、网络附属存储器(Network Attached Storage,NAS)、个人计算机(personal computer,PC)、电视机(television,TV)、柜员机或者自助机等,本申请实施例不作具体限定。
本申请实施例提供的信息指示装置40能够实现图2的方法实施例实现的各个过程,并达到相同的技术效果,为避免重复,这里不再赘述。
可选的,如图5所示,本申请实施例还提供一种终端50,包括处理器51,存储器52,存储在存储器52上并可在所述处理器51上运行的程序或指令,该程序或指令被处理器51执行时实现上述信息指示方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
本申请实施例还提供一种终端,包括处理器和通信接口,通信接口用于发送或者接收第一控制信息;第一控制信息承载在第一控制信道上。该终端实施例是与上述信息指示方法实施例对应的,上述方法实施例的各个实施过程和实现方式均可适用于该终端实施例中,且能达到相同的技术效果,为避免重复,这里不再赘述。
具体地,图6为实现本申请实施例的一种终端的硬件结构示意图。
该终端600包括但不限于:射频单元601、网络模块602、音频输出单元603、输入单元604、传感器605、显示单元606、用户输入单元607、接口单元608、存储器609、以及处理器610等中的至少部分部件。
本领域技术人员可以理解,终端600还可以包括给各个部件供电的电源(比如电池),电源可以通过电源管理系统与处理器610逻辑相连,从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。图6中示出的终端结构并不构成对终端的限定,终端可以包括比图示更多或更少的部件,或者组合某些部件,或者不同的部件布置,在此不再赘述。
应理解的是,本申请实施例中,输入单元604可以包括图形处理器(Graphics Processing Unit,GPU)6041和麦克风6042,图形处理器6041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。显示单元606可包括显示面板6061,可以采用液晶显示器、有机发光二极管等形式来配置显示面板6061。用户输入单元607包括触控面板6071以及其他输入设备6072。触控面板6071,也称为触摸屏。触控面板6071可包括触摸检测装置和触摸控制器两个部分。其他输入设备6072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆,在此不再赘述。
本申请实施例中,射频单元601将来自网络侧设备的下行数据接收后,给处理器610处理;另外,将上行的数据发送给网络侧设备。通常,射频单元601包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。
存储器609可用于存储软件程序或指令以及各种数据。存储器609可主要包括存储程序或指令区和存储数据区,其中,存储程序或指令区可存储操作系统、至少一个功能所需的应用程序或指令(比如声音播放功能、图像播放功能等)等。此外,存储器609可以包括高速随机存取存储器,还可以包括非易失性存储器,其中,非易失性存储器可以是只读存储器(Read-Only Memory,ROM)、可编程只读存储器(Programmable ROM,PROM)、可擦除可编程只读存储器(Erasable PROM,EPROM)、电可擦除可编程只读存储器(Electrically EPROM,EEPROM)或闪存。例如至少一个磁盘存储器件、闪存 器件、或其他非易失性固态存储器件。
处理器610可包括一个或多个处理单元;可选的,处理器610可集成应用处理器和调制解调处理器,其中,应用处理器主要处理操作系统、用户界面和应用程序或指令等,调制解调处理器主要处理无线通信,如基带处理器。可以理解的是,上述调制解调处理器也可以不集成到处理器610中。
其中,射频单元601,用于发送或者接收第一控制信息;第一控制信息承载在第一控制信道上。
本申请实施例提供的终端600能够实现图2的方法实施例实现的各个过程,并达到相同的技术效果,为避免重复,这里不再赘述。
本申请实施例还提供一种可读存储介质,所述可读存储介质上存储有程序或指令,该程序或指令被处理器执行时实现上述信息指示方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
其中,所述处理器为上述实施例中所述的终端中的处理器。所述可读存储介质,包括计算机可读存储介质,如计算机只读存储器(Read-Only Memory,ROM)、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等。
本申请实施例另提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现上述信息指示方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
应理解,本申请实施例提到的芯片还可以称为系统级芯片,系统芯片,芯片系统或片上系统芯片等。
本申请实施例还提供了一种计算机程序产品,存储在可读存储介质中,所述计算机程序产品被至少一个处理器执行以实现上述信息指示方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
需要说明的是,在本文中,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括该要素的过程、 方法、物品或者装置中还存在另外的相同要素。此外,需要指出的是,本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能,还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能,例如,可以按不同于所描述的次序来执行所描述的方法,并且还可以添加、省去、或组合各种步骤。另外,参照某些示例所描述的特征可在其他示例中被组合。
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现,当然也可以通过硬件,但很多情况下前者是更佳的实施方式。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以计算机软件产品的形式体现出来,该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中,包括若干指令用以使得一台终端(可以是手机,计算机,服务器,空调器,或者网络侧设备等)执行本申请各个实施例所述的方法。
上面结合附图对本申请的实施例进行了描述,但是本申请并不局限于上述的具体实施方式,上述的具体实施方式仅仅是示意性的,而不是限制性的,本领域的普通技术人员在本申请的启示下,在不脱离本申请宗旨和权利要求所保护的范围情况下,还可做出很多形式,均属于本申请的保护之内。

Claims (22)

  1. 一种信息指示方法,包括:
    终端发送或者接收第一控制信息;
    其中,所述第一控制信息承载在第一控制信道上。
  2. 根据权利要求1所述的方法,其中,所述第一控制信息包括以下至少一项:
    第一指示信息指示域;
    优先级指示域;
    资源预留指示域;
    频域资源指示域;
    初传重传间隔指示域;
    调制和编码策略MCS指示域;
    重传指示域;
    传输格式指示域;
    混合自动重传请求HARQ关联信息指示域;
    第二控制信息的格式指示域;
    物理旁链路反馈信道PSFCH overhead指示域;
    Beta_offset指示域。
  3. 根据权利要求2所述的方法,其中,所述第一指示信息指示域用于指示以下至少一项:
    设备类型;
    所述终端所使用的协议版本;
    是否存在下一级控制信息,和/或,所述下一级控制信息的格式;
    资源分配模式;
    资源选择模式;
    资源检测模式;
    资源预留方式为以下之一:周期预留,非周期预留、周期预留和非周期预留。
  4. 根据权利要求2所述的方法,其中,所述第一控制信息中的指示域的设置满足以下至少一项:
    根据第一信息指示的内容,设置第一指示信息指示域;
    根据资源选择过程中的HARQ关联信息,设置HARQ关联信息指示域;
    根据第一信息指示的PSFCH周期,设置PSFCH overhead指示域;
    根据第二控制信息的格式,设置第二控制信息的格式指示域;
    根据第一信息指示的对应传输块TB的优先级中的最高优先级,设置优先级指示域;
    根据第一信息指示的内容,设置MCS指示域;
    设置初重传间隔指示域、频域资源指示域和/或重传指示域,使得资源选择过程确定的物理旁链路共享信道PSSCH的时频域资源与配置授权CG指示的PSSCH资源分配一致;
    根据第一信息指示的预留周期信息,设置预留周期指示域;
    其中,所述第一信息包括以下至少一项:高层指示、下行控制信息DCI、旁链路控制信息SCI。
  5. 根据权利要求1所述的方法,其中,所述第一控制信道满足以下至少一项:
    编码方式是turbo编码;
    加扰序列生成器在每个时隙的起始位置执行初始化;
    调制方式是正交相移键控QPSK;
    层映射复用特定信道上单天线端口的层映射规则;
    变换预编码复用特定信道的变换预编码规则;
    预编码复用特定信道的预编码规则,且层数为1;
    采用预设规则映射到物理资源上。
  6. 根据权利要求1所述的方法,其中,当所述终端发送所述第一控制信息时,满足以下至少一项:
    所述第一控制信息在所述第一控制信道对应的PSSCH发送的时间单位发送,占据两个物理资源块PRB;
    如果所述终端在时间单位n收到DCI调度,则在不早于n+Q的时间后的 第一个PSSCH时间单位发送所述第一控制信息;其中,所述Q与数据包处理时间或者DCI处理时间相关;
    如果所述终端在PSSCH时间单位tT初传所述第一控制信息,且配置旁链路授权中指示信息指示第一控制信息的初传和重传的时间间隔不为0,则在PSSCH时间单位tT+gap重传所述第一控制信息;其中,所述tT+gap和tT的时间间隔由所述配置旁链路授权中指示信息指示,和/或,所述第一控制信息在频域上起始子信道的位置由配置授权中指示信息指示。
  7. 根据权利要求1所述的方法,其中,所述终端确定所述第一控制信道的资源块RB池时,满足以下任意一项:
    如果资源池配置终端在时间单位中相邻的RB上发送所述第一控制信道与相应的PSSCH,则所述第一控制信道的资源是两个连续的PRB,且所述两个连续的PRB的索引index与起始子信道的index和子信道的大小有关;
    如果资源池配置终端在时间单位中不相邻的RB上发送所述第一控制信道与相应的PSSCH时,则所述第一控制信道的资源是两个连续的PRB,且所述两个连续的PRB的index与第一控制信道池的起始RB的index有关。
  8. 根据权利要求1所述的方法,其中,当所述终端接收所述第一控制信息时,满足以下至少一项:
    所述终端在第一控制信道上检测第一控制信息时,根据所述第一控制信道的资源配置解码对应的第一控制信息;
    所述终端在每个第一控制信道候选资源位置,不检测超过一个第一控制信道上的第一控制信息;
    所述终端在解码第一控制信道上的第一控制信息之前,不假设所述第一控制信息中预留比特具有任意一个值。
  9. 根据权利要求1所述的方法,其中,所述终端收发信息时的子载波间隔采用特定频率。
  10. 根据权利要求1所述的方法,其中,所述终端所在资源池的子信道满足以下至少之一:
    协议预定义、网络预配置和/或网络配置所述终端的资源池中的子信道大小为{n5,n6,n10,n15,n20,n25,n50,n75,n100};
    协议预定义、网络预配置和/或网络配置所述终端的资源池中的子信道大小为{n4,n5,n6,n8,n9,n10,n12,n15,n16,n18,n20,n30,n48,n72,n96}。
  11. 根据权利要求1所述的方法,其中,所述方法还包括:
    确定第一参数;其中,所述第一参数为基于以下至少一项确定的参数:协议预定义、网络预配置、终端预配置、网络配置、终端配置;所述第一参数用于指示所述终端的控制信息是否与数据信息频域分离。
  12. 一种信息指示装置,包括:
    收发模块,用于发送或者接收第一控制信息;
    其中,所述第一控制信息承载在第一控制信道上。
  13. 根据权利要求12所述的装置,其中,所述第一控制信息包括以下至少一项:
    第一指示信息指示域;
    优先级指示域;
    资源预留指示域;
    频域资源指示域;
    初传重传间隔指示域;
    MCS指示域;
    重传指示域;
    传输格式指示域;
    HARQ关联信息指示域;
    第二控制信息的格式指示域;
    PSFCH overhead指示域;
    Beta_offset指示域。
  14. 根据权利要求13所述的装置,其中,所述第一指示信息指示域用于指示以下至少一项:
    设备类型;
    终端所使用的协议版本;
    是否存在下一级控制信息,和/或,所述下一级控制信息的格式;
    资源分配模式;
    资源选择模式;
    资源检测模式;
    资源预留方式为以下之一:周期预留,非周期预留、周期预留和非周期预留。
  15. 根据权利要求12所述的装置,其中,所述第一控制信道满足以下至少一项:
    编码方式是turbo编码;
    加扰序列生成器在每个时隙的起始位置执行初始化;
    调制方式是正交相移键控QPSK;
    层映射复用特定信道上单天线端口的层映射规则;
    变换预编码复用特定信道的变换预编码规则;
    预编码复用特定信道的预编码规则,且层数为1;
    采用预设规则映射到物理资源上。
  16. 根据权利要求12所述的装置,其中,当所述收发模块发送所述第一控制信息时,满足以下至少一项:
    所述第一控制信息在所述第一控制信道对应的PSSCH发送的时间单位发送,占据两个PRB;
    如果所述终端在时间单位n收到DCI调度,则在不早于n+Q的时间后的第一个PSSCH时间单位发送所述第一控制信息;其中,所述Q与数据包处理时间或者DCI处理时间相关;
    如果所述终端在PSSCH时间单位tT初传所述第一控制信息,且配置旁链路授权中指示信息指示第一控制信息的初传和重传的时间间隔不为0,则在PSSCH时间单位tT+gap重传所述第一控制信息;其中,所述tT+gap和tT的时间间隔由所述配置旁链路授权中指示信息指示,和/或,所述第一控制信息在频域上起始子信道的位置由配置授权中指示信息指示。
  17. 根据权利要求12所述的装置,其中,所述终端确定所述第一控制信道的RB池时,满足以下任意一项:
    如果资源池配置终端在时间单位中相邻的RB上发送所述第一控制信道与相应的PSSCH,则所述第一控制信道的资源是两个连续的PRB,且所述两 个连续的PRB的index与起始子信道的index和子信道的大小有关;
    如果资源池配置终端在时间单位中不相邻的RB上发送所述第一控制信道与相应的PSSCH时,则所述第一控制信道的资源是两个连续的PRB,且所述两个连续的PRB的index与第一控制信道池的起始RB的index有关。
  18. 根据权利要求12所述的装置,其中,当所述终端接收所述第一控制信息时,满足以下至少一项:
    在第一控制信道上检测第一控制信息时,根据所述第一控制信道的资源配置解码对应的第一控制信息;
    在每个第一控制信道候选资源位置,不检测超过一个第一控制信道上的第一控制信息;
    在解码第一控制信道上的第一控制信息之前,不假设所述第一控制信息中预留比特具有任意一个值。
  19. 一种终端,包括处理器,存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,其中,所述程序或指令被所述处理器执行时实现如权利要求1至11任一项所述的信息指示方法的步骤。
  20. 一种可读存储介质,所述可读存储介质上存储程序或指令,其中,所述程序或指令被处理器执行时实现如权利要求1-11任一项所述的信息指示方法的步骤。
  21. 一种芯片,所述芯片包括处理器和通信接口,其中,所述通信接口和所述处理器耦合,所述处理器用于运行网络设备程序或指令,实现如权利要求1-11任一项所述的信息指示方法的步骤。
  22. 一种计算机程序产品,所述计算机程序产品被至少一个处理器执行以实现如权利要求1-11任一项所述的信息指示方法的步骤。
PCT/CN2022/114193 2021-08-27 2022-08-23 信息指示方法、装置、终端及可读存储介质 WO2023025137A1 (zh)

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